Acute myocarditis in infants. Initial presentation.
The authors reviewed the initial presentation of seven infants with acute myocarditis. All patients presented with respiratory distress including tachypnea (respiratory rate greater than or equal to 40) and intercostal retractions. Other findings included tachycardia (heart rate greater than or equal to 120) (7/7) and grunting (6/7). Lungs were clear to auscultation in six out of the seven patients. Cardiomegaly was seen in five of the initial chest roentgenograms. Each initial electrocardiogram had abnormal findings. Initial diagnoses were sepsis and shock in three patients, pneumonia and asthma in two, and congestive heart failure in two. Six patients required tracheal intubation. All required admission to the Pediatric Intensive Care Unit (ICU). Two patients died. Myocarditis should be suspected in a child presenting with severe respiratory distress, tachycardia, cardiomegaly, and/or an abnormal electrocardiogram. Prompt stabilization and admission to a pediatric intensive care unit for further evaluation and treatment is essential.
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Department of Pediatrics, University of Miami School of Medicine, FL 33101.
Lipkind
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D003937:Diagnosis, Differential; D004630:Emergencies; D006801:Humans; D007223:Infant; D009205:Myocarditis / Q000175:diagnosis* / Q000401:mortality; D010808:Physical Examination; D012135:Respiratory Sounds / Q000175:diagnosis